Q51.The lanthanide ion that would show colour is: (1) Lu3 + (2) La3 + (3) Gd3 + (4) Sm3 +
What This Question Tests
This question assesses the ability to determine the electronic configuration of lanthanide ions and correlate the presence of unpaired f-electrons with their ability to exhibit colour.
Concepts Tested
📚 NCERT Sections This Tests
5.16 — Draw Figure To Show The Splitting Of D Orbitals In An Octahedral Crystal Field.
Chemistry Class 11 · Chapter 5
5.16 Draw figure to show the splitting of d orbitals in an octahedral crystal field.
5.25 — Explain The Violet Colour Of The Complex [Ti(H2O)6] 3+ On The Basis Of Crystal
Chemistry Class 11 · Chapter 5
5.25 Explain the violet colour of the complex [Ti(H2O)6] 3+ on the basis of crystal field theory.
5.18 — What Is Crystal Field Splitting Energy? How Does The Magnitude Of Do Decide
Chemistry Class 11 · Chapter 5
5.18 What is crystal field splitting energy? How does the magnitude of Do decide the actual configuration of d orbitals in a coordination entity?
📋 Question Details
- Chapter
- d-block & f-block Elements
- Topic
- Lanthanide Chemistry
- Year
- 2019
- Shift
- 08 Apr Shift 1
- Q Number
- Q51
- Type
- MCQ
- NCERT Ref
- Class 12 Chemistry Ch 8: d-block & f-block Elements
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